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Clarification about Gas turbine operation in base load with different load controls
from the Power generation department department...
Gas turbine control system MK-VIe input power supply redundant Gas turbine control system MARK-VIe control power supply 125VDC to be redundant
New Replies:
vimal gupta,
It seems more appropriate to answer question 4 first and then refer you back to...
MW Hunting is observed in a Frame 6B Unit running with Liq and Gas Fuel with Mark-VI Control. The observation and action taken has been summarized below.
Kindly suggest.
Kindly suggest.
New Replies:
sdbarman,
Please list the Diagnostic Alarms which are being annunciated for all the cards in...
By sdbarman on 18 June, 2013 - 11:54 pm -
Dear CSA
Thank you for your feedback. The trend data and diagnostic alarms have also been...
A lot of information, but not much actionable data. Thank you, though for providing the results of...
During start-up jaw clutch is getting disengaged at 36% speed. Diesel engine servicing, alignment checked. Please suggest solution.
New Replies:
Well explained!!...
PRASAD DEVU,
Is this same problem occurring on all three of your GE-design Frame...
Do you know if the 4 Kg/cm2 is according to spec? I have no experience of this particular torque...
Mechanical null adjustment in moog servo valves
New Replies:
Iqbal,
Congrats you have succeeded in null bias adjustment.
Thanks CSA for more information.
...
iqbal,
You seem to have been very lucky with your adjustment; most sites that attempt this end...
What is the need for PSS in excitation system?
New Replies:
By connolly on 18 June, 2013 - 6:57 pm -
Here's a good description of what a PSS does:
http://www.powerapps.org/PAES_PowerSSApps.aspx
If...
Sinu ... is the PSS proposed by the machine supplier, or is it an edict from your Regional...
Flame off feedback due to NOx injection
New Replies:
Awaneesh,
Hmmm.....
Are the flame detectors cooled with water (coils placed around the flame...
110VAC POWER LOSS IN GAS TURBINE FRAME-V RUNNUNG CONDITION
New Replies:
>If shut down 110VAC power and after UPS
>replacement it to be ON then any
>possibility...
Thanks a lot sir,
I have checked in drawing and found UPS power supply given to HMI/UDH/PDH/SPAR...
CSA - you are probably correct that the N-TRON IONET switches for the gas turbine are powered by...
I will agree with CSA when he says that the UPS outage will NOT trip the gas turbine. That is...
otised,
I respectfully disagree that the 110 VAC UPS powers the IONET network switches. They are...
IF your control system is typical of most GE-provided systems, the only interruption you will...
If you remove the 110VAC UPS the turbine will trip. The UPS powers the Ethernet network switches...
Generator trip by " Rotor protection operated" during startup
New Replies:
Er, ..., Um, ... Are you sure there isn't a real problem with "the rotor"? Do you know...
Azzam... can you be more specific as to the identity of the "Protective Device Number"...
Has anyone used a Rexa actuator on an IGV or fuel gas valve on a frame 7FA?
New Replies:
By adwyer on 17 June, 2013 - 10:36 am -
Chas,
There are non-hydraulic gas control valve & IGV actuator solutions on the market. ...
We have a Single Station TXP machine. Its motherboard failed. After replacement of the MB, the system came back online but the archives are not accessible. How can we restore the archives.
Gas turbine frame-V control system Mark-Vie showing vibration differential high alarm
New Replies:
MATRIX,
You are working with a GE-design Frame 5 heavy duty gas turbine...
from the Operations department...
GE Gas Turbine accessory and load gear compartments temperature running highGT's Turbine accessory and load gear compartments temperature are running very high close to trip value of 450F.
New Replies:
> 2-No P&ID is available for ventilation system of this GT.
Note: GE calls their gas...
By Abdur Rehman on 14 June, 2013 - 5:16 pm -
firstly,thanks for your detail reply.
1-there is no fire extinguishing mechanism in our GT which...
Possible Air ingress into the Turbine compartment resulting in insufficient cooling of the Turbine compartment
New Replies:
By Abdur Rehman on 15 June, 2013 - 8:25 am -
Thomas,
R u having online monitoring of turbine compartment temperature? if so than can you...
Thomas,
Some turbine compartments are under a positive pressure by the turbine compartment vent...
GE has changed our 3rd stage seals and needs to change our control constants (temp curves) and the FSR Peak curve change doesn't make sense to me and I'm hoping to learn something in my efforts to make that make sense to me.
New Replies:
MS5001fan,
I don't understand this statement:
> - The unit has always operated with a 100F...
By MS5001Fan on 13 June, 2013 - 1:16 pm -
This doesn't precisely relate to the issue of primary vs. secondary exhaust temperature control,...
Load limiter question for turbine generator simulation
New Replies:
Thanks,
Yes, this unit is basically used to control the pressure on their 150# header, and...
Dave,
Wow! So many questions....
You are generally correct, but when looking at GE CIMPLICITY...
Thanks,
Yes, we are looking at printouts of the what we would call "Mark VI...
Pressure drop in Gas turbine air intake system
New Replies:
From a Design Engineering point of view, the rule of thumb is that Gas Turbine Output Power drops...
Variation of gas turbine temperature control with exhaust temperature
New Replies:
CcpEng,
Consult the Control Specification document provided with the Speedtronic gas turbine...
Can an isolated generator use droop governor?
New Replies:
1) You would have to ask the manufacturer or consult the documentation regarding the efficiency of...
Gas turbine got tripped. Communication IO loss alarm was reported.
New Replies:
Mr Shah,
We have experienced numerous such loss of IO events in our 7EA fleet (2000-2002...
vsv servovalve torque motor null shift more than 15mA
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